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From: kernel test robot <lkp@intel.com>
To: Seyediman Seyedarab <imandevel@gmail.com>,
	jack@suse.cz, amir73il@gmail.com
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-kernel-mentees@lists.linux.dev,
	Seyediman Seyedarab <ImanDevel@gmail.com>
Subject: Re: [PATCH] inotify: disallow watches on unsupported filesystems
Date: Wed, 5 Mar 2025 23:08:22 +0800	[thread overview]
Message-ID: <202503052203.vK0McbRm-lkp@intel.com> (raw)
In-Reply-To: <20250304080044.7623-1-ImanDevel@gmail.com>

Hi Seyediman,

kernel test robot noticed the following build errors:

[auto build test ERROR on jack-fs/fsnotify]
[also build test ERROR on linus/master v6.14-rc5 next-20250305]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Seyediman-Seyedarab/inotify-disallow-watches-on-unsupported-filesystems/20250304-160213
base:   https://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs.git fsnotify
patch link:    https://lore.kernel.org/r/20250304080044.7623-1-ImanDevel%40gmail.com
patch subject: [PATCH] inotify: disallow watches on unsupported filesystems
config: powerpc-randconfig-001-20250305 (https://download.01.org/0day-ci/archive/20250305/202503052203.vK0McbRm-lkp@intel.com/config)
compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250305/202503052203.vK0McbRm-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202503052203.vK0McbRm-lkp@intel.com/

All errors (new ones prefixed by >>):

>> fs/notify/inotify/inotify_user.c:702:33: error: use of undeclared identifier 'unwatchable_fs'; did you mean 'is_unwatchable_fs'?
     702 |         for (int i = 0; i < ARRAY_SIZE(unwatchable_fs); i++)
         |                                        ^~~~~~~~~~~~~~
         |                                        is_unwatchable_fs
   include/linux/array_size.h:11:33: note: expanded from macro 'ARRAY_SIZE'
      11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
         |                                 ^
   fs/notify/inotify/inotify_user.c:700:20: note: 'is_unwatchable_fs' declared here
     700 | static inline bool is_unwatchable_fs(struct inode *inode)
         |                    ^
>> fs/notify/inotify/inotify_user.c:702:33: error: use of undeclared identifier 'unwatchable_fs'; did you mean 'is_unwatchable_fs'?
     702 |         for (int i = 0; i < ARRAY_SIZE(unwatchable_fs); i++)
         |                                        ^~~~~~~~~~~~~~
         |                                        is_unwatchable_fs
   include/linux/array_size.h:11:48: note: expanded from macro 'ARRAY_SIZE'
      11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
         |                                                ^
   fs/notify/inotify/inotify_user.c:700:20: note: 'is_unwatchable_fs' declared here
     700 | static inline bool is_unwatchable_fs(struct inode *inode)
         |                    ^
>> fs/notify/inotify/inotify_user.c:702:22: error: subscript of pointer to function type 'bool (struct inode *)' (aka '_Bool (struct inode *)')
     702 |         for (int i = 0; i < ARRAY_SIZE(unwatchable_fs); i++)
         |                             ^~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/array_size.h:11:47: note: expanded from macro 'ARRAY_SIZE'
      11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
         |                                               ^~~~~
>> fs/notify/inotify/inotify_user.c:702:33: error: use of undeclared identifier 'unwatchable_fs'; did you mean 'is_unwatchable_fs'?
     702 |         for (int i = 0; i < ARRAY_SIZE(unwatchable_fs); i++)
         |                                        ^~~~~~~~~~~~~~
         |                                        is_unwatchable_fs
   include/linux/array_size.h:11:75: note: expanded from macro 'ARRAY_SIZE'
      11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
         |                                                                           ^
   include/linux/compiler.h:249:65: note: expanded from macro '__must_be_array'
     249 | #define __must_be_array(a)      __BUILD_BUG_ON_ZERO_MSG(__same_type((a), &(a)[0]), "must be array")
         |                                                                      ^
   include/linux/compiler_types.h:483:63: note: expanded from macro '__same_type'
     483 | #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
         |                                                               ^
   include/linux/compiler.h:245:79: note: expanded from macro '__BUILD_BUG_ON_ZERO_MSG'
     245 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg) ((int)sizeof(struct {_Static_assert(!(e), msg);}))
         |                                                                               ^
   fs/notify/inotify/inotify_user.c:700:20: note: 'is_unwatchable_fs' declared here
     700 | static inline bool is_unwatchable_fs(struct inode *inode)
         |                    ^
>> fs/notify/inotify/inotify_user.c:702:33: error: use of undeclared identifier 'unwatchable_fs'; did you mean 'is_unwatchable_fs'?
     702 |         for (int i = 0; i < ARRAY_SIZE(unwatchable_fs); i++)
         |                                        ^~~~~~~~~~~~~~
         |                                        is_unwatchable_fs
   include/linux/array_size.h:11:75: note: expanded from macro 'ARRAY_SIZE'
      11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
         |                                                                           ^
   include/linux/compiler.h:249:71: note: expanded from macro '__must_be_array'
     249 | #define __must_be_array(a)      __BUILD_BUG_ON_ZERO_MSG(__same_type((a), &(a)[0]), "must be array")
         |                                                                            ^
   include/linux/compiler_types.h:483:74: note: expanded from macro '__same_type'
     483 | #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
         |                                                                          ^
   include/linux/compiler.h:245:79: note: expanded from macro '__BUILD_BUG_ON_ZERO_MSG'
     245 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg) ((int)sizeof(struct {_Static_assert(!(e), msg);}))
         |                                                                               ^
   fs/notify/inotify/inotify_user.c:700:20: note: 'is_unwatchable_fs' declared here
     700 | static inline bool is_unwatchable_fs(struct inode *inode)
         |                    ^
>> fs/notify/inotify/inotify_user.c:702:22: error: subscript of pointer to function type 'bool (struct inode *)' (aka '_Bool (struct inode *)')
     702 |         for (int i = 0; i < ARRAY_SIZE(unwatchable_fs); i++)
         |                             ^~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/array_size.h:11:59: note: expanded from macro 'ARRAY_SIZE'
      11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
         |                                                           ^~~~~~~~~~~~~~~~~~~~
   include/linux/compiler.h:249:70: note: expanded from macro '__must_be_array'
     249 | #define __must_be_array(a)      __BUILD_BUG_ON_ZERO_MSG(__same_type((a), &(a)[0]), "must be array")
         |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:483:74: note: expanded from macro '__same_type'
     483 | #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
         |                                                                          ^
   include/linux/compiler.h:245:79: note: expanded from macro '__BUILD_BUG_ON_ZERO_MSG'
     245 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg) ((int)sizeof(struct {_Static_assert(!(e), msg);}))
         |                                                                               ^
   fs/notify/inotify/inotify_user.c:703:31: error: use of undeclared identifier 'unwatchable_fs'; did you mean 'is_unwatchable_fs'?
     703 |                 if (inode->i_sb->s_magic == unwatchable_fs[i])
         |                                             ^~~~~~~~~~~~~~
         |                                             is_unwatchable_fs
   fs/notify/inotify/inotify_user.c:700:20: note: 'is_unwatchable_fs' declared here
     700 | static inline bool is_unwatchable_fs(struct inode *inode)
         |                    ^
   fs/notify/inotify/inotify_user.c:703:31: error: subscript of pointer to function type 'bool (struct inode *)' (aka '_Bool (struct inode *)')
     703 |                 if (inode->i_sb->s_magic == unwatchable_fs[i])
         |                                             ^~~~~~~~~~~~~~
   8 errors generated.


vim +702 fs/notify/inotify/inotify_user.c

   698	
   699	
   700	static inline bool is_unwatchable_fs(struct inode *inode)
   701	{
 > 702		for (int i = 0; i < ARRAY_SIZE(unwatchable_fs); i++)
   703			if (inode->i_sb->s_magic == unwatchable_fs[i])
   704				return true;
   705		return false;
   706	}
   707	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

      parent reply	other threads:[~2025-03-05 15:08 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-03-04  8:00 [PATCH] inotify: disallow watches on unsupported filesystems Seyediman Seyedarab
2025-03-04 11:57 ` Amir Goldstein
2025-03-04 16:06   ` Seyediman Seyedarab
2025-03-04 16:41     ` Amir Goldstein
2025-03-04 19:07       ` Seyediman Seyedarab
2025-03-04 20:04         ` Amir Goldstein
2025-03-05 10:28 ` kernel test robot
2025-03-05 15:08 ` kernel test robot [this message]

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